OpenTechnical

OT-2026-000018017

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000018017) never changes.

Identity and time

Publication numberOT-2026-000018017 · never reused
Internal UUID01a0ae6e-96fc-70a7-b17f-8f466617ea5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018017
StatusPUBLIC

Content hashes

Canonical textaaaaf32586180fd27a0fd2dbc9a558412aef587fe43a35513d731fb12095971d
Markdowna55ea34a5849bad1c39ac0137038df5018a4f846714f21d40346e0066c4be637
PDF
Publication page04c4ae3d784192c4429a3d7889a2943517f17fe2ef27ae838dddddc11850783a
Manifestebb6af8ae7e678e6610d53f6e61a9a1a405ea1a3e4d493508f1d9abd98ab4ff3

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureaI88d0y3Q2X33qEE/8MOPbSJBBZ2aPAHi0IWubXvcTW4RAVgLZLPuGZ23/WGtTCYTuDO5IdqZmHE0OtRtT2PBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:02.508700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018017
observed 04c4ae3d784192c4429a3d7889a29435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.491592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018017/manifest.json
observed ebb6af8ae7e678e6610d53f6e61a9a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.476051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018017/publication.md
observed a55ea34a5849bad1c39ac0137038df50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.459882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018017/publication.txt
observed aaaaf32586180fd27a0fd2dbc9a55841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.